PIP ventilator settings

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I am making a basic learning package for some nursing students at my university and are having trouble trying to decide how to descibe maximum airway pressure which is easy enough, but then how do I basically describe what say an alarm pressure of 42 means?

I have pregnancy brain right now so things aren't easy right now lol

Thanks
Kim

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Peak Respiratory Pressure: Pressure (resistance) at the end of expiration. Just when initiating the inspiration. Normal (20 cm H2O)= 14.71 mmHg.

Reasons for increasing: blockage of airways by sputum/barotrauma

stiffer lung (non-compliant)= higher PAP

High airway pressure- in addition to providing alarm breath should be pressure limited and thus patient will only receive part of the preset tidal volume
- if pressure limit is repeatedly exceeded patient should be disconnected and manually ventilated while problem diagnosed. Initial steps are to check for ETT blockage and ventilator malfunction. Other factors to consider are airway resistance, pneumothorax, endobronchial intubation
- causes of high airway pressures include: